Takashi Iwai c520ff3d03 ALSA: seq: Fix racy cell insertions during snd_seq_pool_done() ... When snd_seq_pool_done() is called, it marks the closing flag to refuse the further cell insertions. But snd_seq_pool_done() itself doesn't clear the cells but just waits until all cells are cleared by the caller side. That is, it's racy, and this leads to the endless stall as syzkaller spotted. This patch addresses the racy by splitting the setup of pool->closing flag out of snd_seq_pool_done(), and calling it properly before snd_seq_pool_done(). BugLink: http://lkml.kernel.org/r/CACT4Y+aqqy8bZA1fFieifNxR2fAfFQQABcBHj801+u5ePV0URw@mail.gmail.com Reported-and-tested-by: Dmitry Vyukov <dvyukov@google.com> Cc: <stable@vger.kernel.org> Signed-off-by: Takashi Iwai <tiwai@suse.de>		2017-03-21 14:01:10 +01:00
..
oss	sched/headers: Prepare to move signal wakeup & sigpending methods from <linux/sched.h> into <linux/sched/signal.h>	2017-03-02 08:42:32 +01:00
seq	ALSA: seq: Fix racy cell insertions during snd_seq_pool_done()	2017-03-21 14:01:10 +01:00
Kconfig	ALSA: timer: remove legacy rtctimer	2016-04-25 10:41:46 +02:00
Makefile	ALSA: timer: remove legacy rtctimer	2016-04-25 10:41:46 +02:00
compress_offload.c	ALSA: compress: fix some missing and misplaced \n in messages	2016-09-16 19:24:13 +02:00
control.c	sched/headers: Prepare to move signal wakeup & sigpending methods from <linux/sched.h> into <linux/sched/signal.h>	2017-03-02 08:42:32 +01:00
control_compat.c	ALSA: ctl: change return value in compatibility layer so that it's the same value in core implementation	2016-03-17 14:11:36 +01:00
ctljack.c	ALSA: jack: Fix endless loop at unique index detection	2015-06-26 06:59:57 +02:00
device.c	Merge branch 'topic/hda-unbind' into for-next	2015-03-16 14:48:20 +01:00
hrtimer.c	ktime: Get rid of the union	2016-12-25 17:21:22 +01:00
hwdep.c	sched/headers: Prepare to move signal wakeup & sigpending methods from <linux/sched.h> into <linux/sched/signal.h>	2017-03-02 08:42:32 +01:00
hwdep_compat.c	[PATCH] hwdep_compat missed __user annotations	2006-10-10 15:37:21 -07:00
info.c	ALSA: info: Return error for invalid read/write	2016-11-08 14:37:26 +01:00
info_oss.c	ALSA: core: Clean up OSS proc file management	2015-04-24 17:31:08 +02:00
init.c	ALSA: hda_intel: add card number to irq description	2016-01-12 21:05:16 +01:00
isadma.c	ALSA: core: Use standard printk helpers	2014-02-14 08:14:15 +01:00
jack.c	ALSA: jack: Allow building the jack layer without input device	2016-02-23 09:03:07 +01:00
memalloc.c	genalloc: rename of_get_named_gen_pool() to of_gen_pool_get()	2015-06-30 19:45:01 -07:00
memory.c	ALSA: Include linux/uaccess.h and linux/bitopts.h instead of asm/*	2015-01-28 17:25:07 +01:00
misc.c	printk/sound: handle more message headers	2016-12-12 18:55:09 -08:00
pcm.c	ALSA: pcm: Free chmap at PCM free callback, too	2016-07-08 09:15:44 +02:00
pcm_compat.c	ALSA: pcm: Fix ioctls for X32 ABI	2016-02-28 17:44:35 +01:00
pcm_dmaengine.c	ASoC: dmaengine_pcm: Add support for packed transfers	2016-04-27 17:34:11 +01:00
pcm_drm_eld.c	ALSA: pcm: add DRM ELD helper	2015-05-22 16:01:44 +02:00
pcm_iec958.c	ALSA: pcm: Allow 32 bit sample format in IEC958 channel status helper	2016-04-06 14:33:38 -07:00
pcm_lib.c	sched/headers: Prepare to move signal wakeup & sigpending methods from <linux/sched.h> into <linux/sched/signal.h>	2017-03-02 08:42:32 +01:00
pcm_memory.c	ALSA: Include linux/io.h instead of asm/io.h	2015-01-28 16:49:33 +01:00
pcm_misc.c	ALSA: pcm: Add snd_pcm_rate_range_to_bits()	2016-02-05 18:49:00 +00:00
pcm_native.c	sched/headers: Prepare to move signal wakeup & sigpending methods from <linux/sched.h> into <linux/sched/signal.h>	2017-03-02 08:42:32 +01:00
pcm_timer.c	ALSA: pcm: Use standard printk helpers	2014-02-14 08:14:15 +01:00
pcm_trace.h	ALSA: pcm: Replace PCM hwptr tracking with tracepoints	2014-11-04 14:09:14 +01:00
rawmidi.c	sched/headers: Prepare to move signal wakeup & sigpending methods from <linux/sched.h> into <linux/sched/signal.h>	2017-03-02 08:42:32 +01:00
rawmidi_compat.c	ALSA: rawmidi: Fix ioctls X32 ABI	2016-02-28 17:44:51 +01:00
sgbuf.c	ALSA: core: Deletion of unnecessary checks before two function calls	2014-11-21 20:06:57 +01:00
sound.c	ALSA: replace CONFIG_PROC_FS with CONFIG_SND_PROC_FS	2015-05-27 21:25:19 +02:00
sound_oss.c	ALSA: replace CONFIG_PROC_FS with CONFIG_SND_PROC_FS	2015-05-27 21:25:19 +02:00
timer.c	sched/headers: Prepare to move signal wakeup & sigpending methods from <linux/sched.h> into <linux/sched/signal.h>	2017-03-02 08:42:32 +01:00
timer_compat.c	ALSA: timer: fix gparams ioctl compatibility for different architectures	2016-03-23 08:06:16 +01:00
vmaster.c	ALSA: core: Use standard printk helpers	2014-02-14 08:14:15 +01:00